Internet and SIM in Cambodia: The Complete 2026 Guide for Nomads

Cambodia has become a top destination for digital nomads, and internet quality plays a major role. In 2026, the country offers one of the best value-for-money connectivity options in Southeast Asia. With 5G deployed in all major cities, unlimited 4G/5G data plans for under $10 per month, and reliable fiber optics, you can work from Siem Reap, Phnom Penh, or Battambang without worry. This guide gives you the keys to choosing your operator, your plan, and avoiding pitfalls.

The Cambodian mobile market is dominated by three operators: Cellcard, Smart, and Metfone. All offer renewable 30-day data plans with no commitment.

• Cellcard. 30 GB plan at $5, unlimited 4G/5G at $10.
• Smart. Densest 5G coverage. 30 GB plan at $6, unlimited at $10.
• Metfone. Good network in rural areas. 30 GB plan at $5, unlimited at $8.

For home fiber (FTTH), prices are very competitive: 30 Mbps at $25/month, 100 Mbps at $40/month, 300 Mbps at $70/month. Main providers are Smart Fiber, Cellcard Fiber, and Metfone Fiber, with availability in urban areas.

Comparison with Europe. In France or Germany, an unlimited 4G/5G data plan costs between €30 and €50 per month. In Cambodia, the same service costs between $5 and $10. That's 5 to 10 times cheaper. Fiber at 300 Mbps for $70/month is comparable to European offers at €50-80, but with a much lower local cost of living.

Verdict: Cambodia offers the best value-for-money internet across all of Southeast Asia, and far surpasses Europe for mobile data. It's a real asset for nomads who want to work remotely without breaking the bank.

Here are the steps to be connected upon arrival:

1. At the airport or in town. Buy an Airalo eSIM for the first few days (from $5 for 1 GB). This gives you time to choose a local operator.
2. Choose your operator. Smart for the best 5G coverage, Cellcard for good value, Metfone if you're traveling in rural areas.
3. Buy a physical SIM. At official stores or resellers (passport required). Unlimited plan at $10/month recommended.
4. For fiber. Before signing a lease, test the speed with Speedtest.net on both 4G AND the property's fiber. Require a contract directly with the operator.
5. Redundancy. Use a dual SIM (Smart + Cellcard) to avoid outages.

• "Unlimited" plans with hidden limits. Some operators reduce speed after 30 or 50 GB. Read the terms.
• Fiber not available in some areas. In Siem Reap, fiber isn't yet available in all neighborhoods. Check before renting.
• Real speed lower than advertised. "Up to" speeds are often optimistic. Always test your speed at home.
• Airalo eSIM. Convenient but more expensive than local SIMs for long-term use. Reserve it for the first few days.

Internet in Cambodia is an excellent deal for digital nomads working online: ultra-competitive mobile data, reliable fiber, and 5G available in major cities. It's ideal if you stay in urban areas. However, if you plan to work from very remote areas, 4G can be unreliable and fiber absent. In that case, plan for a 4G router with an external antenna. For most nomads in Siem Reap or Phnom Penh, Cambodia is a connectivity paradise at bargain prices.